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2-Methyl-3-(methylthio)pyrazine

2-Methyl-3-(methylthio)pyrazine ??? ???
?? ??:
2882-20-4
???:
2-Methyl-3-(methylthio)pyrazine
???(??):
FEMA 3208;thio)pyrazine;FEMA NUMBER 3208;TIMTEC-BB SBB008573;2- methyl -3 (5 or 6);(METHYLTHIO)METHYLPYRAZINE;METHYL(METHYLTHIO)PYRAZINE;2,3-diMethylpyrazine-1-thiol;2-METHYLTHIO-3-METHYLPYRAZINE;3-Methyl-2-methylthiopyrazine
CBNumber:
CB7289776
???:
C6H8N2S
??? ??:
140.21
MOL ??:
2882-20-4.mol
MSDS ??:
SDS

2-Methyl-3-(methylthio)pyrazine ??

?? ?
213-214 °C (lit.)
??
1.15 g/mL at 25 °C (lit.)
FEMA
3208 | (METHYLTHIO)METHYLPYRAZINE (MIXTURE OF ISOMERS)
???
n20/D 1.585(lit.)
???
210 °F
?? ??
Sealed in dry,Room Temperature
?? ?? (pKa)
0.88±0.10(Predicted)
??? ??
??? ??
??
?? ?? ?? ??
??
???? ??? ? 0.10%. ?? ?? ??? ??? ??
?? ??
???
JECFA Number
797
LogP
1.72
CAS ??????
2882-20-4(CAS DataBase Reference)
NIST
Pyrazine, 2-methyl-3-(methylthio)-(2882-20-4)
EPA
Pyrazine, 2-methyl-3-(methylthio)- (2882-20-4)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-36
????(UN No.) UN 3334
WGK ?? 3
TSCA Yes
HS ?? 29339900
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
2
0 0

2-Methyl-3-(methylthio)pyrazine C??? ??, ??, ??

??? ??

clear colorless liquid

?? ??

From 2-methylchloropyrazine; a mixture of 2-methyl-3-methylthiopyrazine, 2-methyl-5-methylthiopyrazine, and 2-methyl-6-methylthiopyrazine is obtained.

2-Methyl-3-(methylthio)pyrazine ?? ?? ? ???

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?? ??


2-Methyl-3-(methylthio)pyrazine ?? ??

???( 231)?? ??
??? ?? ??? ?? ?? ? ??
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2-Methyl-3-(methylthio)pyrazine ?? ??:

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